A magnitude Md 2.4 earthquake occured in region: Costa Sarda nord orientale (Olbia), on
and geographic coordinates (lat, lon) 41.1980, 9.4800 at 4 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
La Maddalena | OT | 6 | 11332 | 11332 |
Palau | OT | 8 | 4214 | 15546 |
Arzachena | OT | 15 | 13562 | 29108 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 2.4 | 2019-08-12 07:52:16 |
41.198 | 9.4803 | 4 | 2019-09-23 09:28:18 |
Sala Sismica INGV-Roma | 72689321 |
Field | Value |
---|---|
Time (UTC) | 2019-08-12 07:52:16 ± 0.42 |
Latitude | 41.1980 ± 0.0072 |
Longitude | 9.4803 ± 0.0251 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 72689321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2053 |
Semi-minor axis of confidence ellipse (meter) | 628 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2050.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 183 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.24192 |
Epicentral distance of station farthest from the epicenter (degree) | 1.70242 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 72689321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-09-23 09:28:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.VSL.HHE. | 2019-08-12T07:53:10.59 | 0.6 | undecidable | manual | S | 183 | 188.9664 | 38 | 0.1 | 33 |
MN.VSL.HHE. | 2019-08-12T07:52:47.30 | 0.3 | undecidable | manual | P | 183 | 188.9664 | 38 | -0.31 | 47 |
IV.DGI.HHE. | 2019-08-12T07:52:46.94 | 0.6 | undecidable | manual | S | 174 | 98.2239 | 50 | 0.35 | 42 |
FR.SMPL.HHE.00 | 2019-08-12T07:52:46.99 | 0.6 | undecidable | manual | S | 351 | 100.7214 | 50 | -0.27 | 42 |
FR.AJAC.HHE.00 | 2019-08-12T07:52:35.05 | 1.0 | undecidable | manual | P | 324 | 100.5216 | 50 | 0.88 | 17 |
FR.SMPL.HHE.00 | 2019-08-12T07:52:34.30 | 0.3 | undecidable | manual | P | 351 | 100.7214 | 50 | 0.1 | 66 |
IV.DGI.HHE. | 2019-08-12T07:52:33.61 | 0.1 | undecidable | manual | P | 174 | 98.2239 | 50 | -0.2 | 87 |
IV.AGLI.HHE. | 2019-08-12T07:52:25.54 | 0.6 | undecidable | manual | S | 253 | 26.8509 | 98 | -0.23 | 49 |
IV.AGLI.HHE. | 2019-08-12T07:52:21.94 | 0.1 | positive | manual | P | 253 | 26.8509 | 98 | 0.15 | 100 |